| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 1900 DEB |
| Spacetrack catalog number | 31165 | 43499 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 00:37 | 2024 Dec 21 14:14 |
| Time of closest approach (UTC) | 2024 Dec 26 19:52:25.319 |
| Minimum distance | 4.441 km |
| Height difference | -2.043 km |
| Relative speed | 6.022 km/s |
| Angle between velocity vectors | 47° |
| Geographic position | 44.7°N, 179.9°E |
| Height | 700 km |
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